55360547550 has 480 divisors, whose sum is σ = 193596251904. Its totient is φ = 11394432000.

The previous prime is 55360547527. The next prime is 55360547573. The reversal of 55360547550 is 5574506355.

55360547550 is a `hidden beast` number, since 5 + 53 + 6 + 0 + 5 + 47 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (55360547527) and next prime (55360547573).

It is a super-2 number, since 2×55360547550² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 55360547496 and 55360547505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 35238265 + ... + 35239835.

Almost surely, 2^55360547550 is an apocalyptic number.

55360547550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55360547550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96798125952).

55360547550 is an abundant number, since it is smaller than the sum of its proper divisors (138235704354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55360547550 is a wasteful number, since it uses less digits than its factorization.

55360547550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 1575000, while the sum is 45.

The spelling of 55360547550 in words is "fifty-five billion, three hundred sixty million, five hundred forty-seven thousand, five hundred fifty".